baber/WOPTO huggingface dataset:
Patent GB-572857-A (GB)
Title: Improvements in or relating to the manufacture of synthetic resins
IPC: C08G14/06
Filed: 1942-03-25
Abstract: Thermohardening resins for use as moulding powders or, dissolved in organic solvents, as varnishes and adhesives in the preparation of laminated materials, or in the molten state for impregnating purposes, are obtained by condensing xylenols with formaldehyde in the presence of up to 25 per cent of a primary or secondary aromatic amine and an alkaline or acid catalyst, the amount of catalyst being restricted to less than 5 per cent of the xylenol in the case of inorganic catalysts and to 10 per cent in the case of organic bases. Mixed xylenols, e.g. commercial mixtures of xylenols or xylenols in which an alkyl radical replaces one or both of the methyl substituents, may be used.  The formaldehyde may be replaced by its polymers or condensation products with ammonia or primary or secondary amines, and may be used in admixture with acetaldehyde or its polymers; alternatively, the reaction may be carried out in two stages, formaldehyde being used in one stage and acetaldehyde in the other stage.  Catalysts specified comprise ammonia, triethanolamine, caustic soda, oxalic acid, hydrochloric acid, benzene-sulphonic acid, p-toluene sulphonic acid 0.5-3 mols. of aldehyde are used to one mol. xylenol.  Aromatic amines specified comprise aniline, toluidines, naphthylamines, diphenylamine, or their mixtures.  In examples: (1) 100 parts commercial xylenol, 56 parts formalin, 10 parts aniline and 9 parts ammonia are boiled together for two hours and the product dehydrated; (4) 100 parts xylenol, 20 parts paraldehyde and 1 part p-toluene sulphonic acid are refluxed for 25 mins; 45 parts formalin, 5 parts aniline, and 5 parts ammonia are then added and the mixture refluxed for 40 mins.  The product is dried under vacuum. Specifications 304,659, [Class 2 (iii)], 363,694, 433,539 and 467,234 are referred to.
Patent GB-565455-A (GB)
Title: Improvements in or relating to diffusion pumps
IPC: F04F9/00
Filed: 1944-03-03
Abstract: 565,455. High-vacuum diffusion pumps. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. March 3, 1944, No. 4005. Convention date, March 27, 1943. [Class 71] A high-vacuum pump comprises a container 1 communicating with the space to be evacuated and containing heated liquid such as oil at its lower end into which liquid inner and outer cylinders 11, 16 dip, each cylinder having an annular orifice at its upper end, the distance between these orifices being roughly equal to the mean free path of the vapour of the liquid at the operating temperature. The upper end of the inner cylinder is flared, and surrounded by a cap 14 flared at the same angle, e.g. about 12¢ degrees. The cap may be rounded. The container and the offtake pipe 5a leading to a backing pump are cooled-by coils. Condensed vapour is returned to the bottom of the container through a spout 21b passing through a cover-plate for the liquid. A flared pipe 21a projecting through the plate into the offtake pipe 5a acts as a backing pump and a further backing pump may be constituted by a flared pipe 37, Fig. 6, coacting with a truncated cone and a complete cone. Alternatively, such a pipe and cones may take the place of the pipe 21a and may be supplied with vapour from a second column. The arms of the cylindrical section 11, the space between the cylinders 11 and 16 and that between cylinder 16 and container 1 may be in the ratios 1 : 2 : 4.
Patent GB-554901-A (GB)
Title: Improvements relating to chargers for electric accumulators
IPC: H02J7/02
Filed: 1942-03-26
Abstract: 554,901. Battery chargers. RUNBAKEN, J. H. March 26, 1942, No. 4012. [Class 38 (ii)] A battery charger comprises a transformer and rectifier, preferably of the metal type, immersed in oil in a metal or glass container a. An air space above the oil permits expansion of the latter. A closure cap b carries the external connections d, e, f, g and sockets j<SP>1</SP>, k<SP>1</SP> connected to tappings on the transformer whereby voltage adjustment for 2, 6 or 12 volts, for example, may be effected by a removable plug m which may comprise a fuse. An indicating lamp is provided which may be in the container or in the oil. A bracket c support) the device.
Patent GB-638461-A (GB)
Title: Improvements relating to clamps and curlers for permanent hair waving
IPC: A45D2/34
Filed: 1948-02-11
Abstract: 638,461. Hair-waving appliances. EUGENE, Ltd. Feb. 11, 1948, No. 4021. Convention date, Feb. 12, 1947. [Class 131] In a permanent waving clamp, of the kind used in croquinole waving, the unwinding of the curler is prevented by a pawl arranged to engage a ratchet on the curler so that the force holding the pawl and ratchet in engagement is derived from the tension in the tress of hair. As shown, the clamp is provided with U-shaped supports for the curler ends 26. The support 29 is formed as part of the latch member 13, which holds the curler closed, and a bell-crank lever 36, 37, is pivoted to the support at 38 so that the lower edge 40 of the lever is spaced from the upper surface of the latch 13 and the lever can rock to bring the pawl 35 into and out of engagement with the ratchet teeth 31 on curler. When the hair has been wound on the curler the elasticity of the hair exerts a resilient downward force tending to tighten the grip of the pawl. The curler may be released by pressure on the thumb piece 41.
Patent GB-122316-A (GB)
Title: Improvements in or relating to Additional Air Inlet Valves for use in connection with Internal Combustion Engines.
Inventor: CASTIGLIONE RICCARDO
IPC: F02D9/00
Filed: 1918-03-07
Abstract: 122,316. Castiglione, R., and Torti, L. March 7, 1918. Cylinders, pipes for.-A valve for supplying extra air to the induction pipe comprises inter-fitting cylinders A, B having corresponding inlet ports E, D leading to the bore C. One of the cylinders is rotated by means of an arm connected to the throttle lever of the carburettor, the valve being closed when the throttle is closed or fully opened, and being fully open in an intermediate position of the throttle. The inlets are protected by a cover F.
Patent GB-179304-A (GB)
Title: Improvements in and relating to machines for cracking off and grinding glassware
IPC: B24B9/12
Filed: 1921-02-03
Abstract: 179,304. Knight, A. B. Feb. 3, 1921. Disc-apparatus; work-holders.-Apparatus for cracking-off and grinding glassware are incorporated in one machine, and are actuated from the same power shaft. The grinding-apparatus is similar to that described in Specification 169,048, and comprises a number of grinders in housings 6, Fig. 8, behind each other, which grinders are mounted on spindles 5 belt-driven from a shaft 48. Rods 21 slide in sleeves 22 and carry chuck-holders 14 towards the grinders under the action of weights 27, and are successively moved therefrom by bell-cranks 35 engaging cams 41 on a cam shaft 42, which is worm-driven from a shaft 45. The shaft 48 drives a sleeve 57, Fig. 7, in which slides a splined shaft 55 carrying a friction wheel 59 engaging a friction disc 60 on the shaft 45. The speed of the cam shaft is varied on axially moving the wheel 59 by means of a screw 80. The disc 60 is pressed against the wheel 59 by a spring and can be disengaged therefrom by operating a treadle 73. Each chuckholder 14 has an eccentric opening 15, Fig. 2, in which fits a chuck 7 having an eccentric ring 10 lined with felt &c. to receive the work 11. By turning the chuck in its holder, the position of the work relatively to the grinder is varied. The cracking-off apparatus comprises a scoring-device 106, revolving work-holders 83, and burners 123. The base of the glass to be scored is supported in a V-support 105 and the outer edge by a member 104, which together with the diamond 106 is adjustable with respect to the V-support 105. Each work-holder is formed of a plate 84, Fig. 17, having radial slots 85 and a boss 92, on which is screwed a plate 87 having spiral slots. Pins 89 engage both sets of slots, and are varied in position by rotating the plate 87 relatively to the plate 84 so as to grip the work. A nut 93 secures the plate in position. The holder is mounted on a shaft 94 driven through a shaft 99 from the sleeve 57. Supply pipes 122 to the burners 123 are slidable in members 121 and locked therein bv set-screws 123<1>. The members 121 can be rotated relatively to integral sleeves 112, 113 which are vertically adjustable, on posts 110, 111. Revoluble tables 125, 126 serve as trays for the articles.
Patent GB-252062-A (GB)
Title: Improvements in the production of telephonic diaphragms and the like
IPC: B21D22/14
Filed: 1925-02-13
Abstract: 252,062. Palmer, W. J. Feb. 13,1925. Sound - reproducing diaphragms. - A concave or conical telephone or like dia-- phragm, more particularly of the kind described in Specification 239,935, [Class 40 (iv), Telephones &c.], is formed by applying a disc of prepared metal sheet or foil to the hollow face of a mould a which is kept heated at an even temperature either electrically or by a Bunsen flame f, the blank being pressed against the cavity of the mould, during rotation of the latter, by a burnishing tool e. The tool e, which is preferably worked from the periphery towards the centre of the blank, may also be heated either electrically or by a small Bunsen flame carried thereon and may be dipped from time to time in warm oil or lubricant. An annular groove or kink c may be formed in the diaphragm near its periphery.
Patent GB-432257-A (GB)
Title: Improvements in or relating to electrical condensers
IPC: H01G4/224
Filed: 1935-02-08
Abstract: 432,257. Condensers. SPORING, P. A., Lindsay Lodge, Park Road, Hampton Hill, and TELEGRAPH CONDENSER CO., Ltd., Wales Farm Road, North Acton, both in Middlesex. Feb. 8, 1935, No. 4136. [Class 38 (ii)] One or both ends of a tubular condenser casing 5 is closed by a cap 8 of domed form having a metal member 9 to which the internal and external leads 4, 11, are attached as by soldering, the domed part being separated from the fusible insulating filling 6 so as to facilitate the soldering operation. The ends of the tube 5 may be spun over the edge of the cap 8. Soldering tags may be attached to the eyelet 9 instead of an external wire 11.
Patent GB-369718-A (GB)
Title: Improvements in processes for recovering materials from emulsions or dispersions
IPC: B01D17/02
Filed: 1931-02-10
Abstract: <PICT:0369718/III/1> Oils and fats are recovered from emulsions and dispersions by straining, settling, and passing through flow heaters, agglomeration chambers, and one or more centrifugal separators, the liquid being maintained acid throughout.  Means assisting agglomeration may be provided in the centrifuges or the tanks; cooling devices or plates of different electric potential are specified.  The separation of butter from whey, of cream from milk, and of oil from water or from emulsions obtained by boiling or otherwise treating whales, pericarp, or other animal or vegetable matter, is referred to.  Acidity may be obtained by blowing fuel gases or other gases of acid reaction through the liquid.  In an example, fluid from a boiler, separating vat, or press 1 is passed through a strainer 2 to remove fibrous and other coarse particles, then to a settling tank 4; the oily upper layer is passed to a flow heater 5p, an agglomeration tank 6p and a centrifuge 7p, while the watery under layer is passed to flow heaters 5, 5a, tanks 6, 6a, and centrifuges 7, 7a, the tanks 6, 6a holding only so much liquid as can be treated by the centrifuges in a few minutes.  The oil from the centrifuges 7, 7a may be passed by pipes 10, 10a to the heater 5p &c. for additional treatment, or the oil from each centrifuge 7-7p may be returned to the corresponding chamber 5-5p.
Patent GB-240709-A (GB)
Title: Improvements in and relating to means for suspending and drawing curtains and the like
IPC: A47H15/00
Filed: 1925-02-16
Abstract: 240,709. Stoer, C. E., and Vabest Co., Ltd. Feb. 16, 1925. Curtains, drau;ing and suspending.-Curtain runners are provided with spacing members 6 formed with an eye 7 for attachment to the lower end of the runner frame 4 and with a second eye 16 to which the curtain is attached. The members 6 are preferably formed tubular and the operating cord 8 passed therethrough. The members 6, for attachment to the master runners, are provided with two apertures, one of which is provided with a small screw 10 to secure the operating cord. The turned-up end 5 of the runner prevents disconnection of the spacing member 6 when the runner is arranged on the rail 2.
Patent GB-432652-A (GB)
Title: Improved constant pressure gas turbine plant
IPC: F02C3/08
Filed: 1934-02-09
Abstract: 432,652. Gas turbines. AKTIEBOLAGET MILO, 32, Kungsgatan, Stockholm. Feb. 9, 1934, No. 4365. Convention date, Feb. 10, 1933. [Class 110 (iii)] A constant-pressure gas turbine for use with gases having an inlet temperature of at least 800‹ C., is formed as an axial-flow turbine with full admission, the blades of the turbine being fastened to a conical drum or to discs the diameter of which increases, from the turbine inlet towards the outlet and the length of the blades also increasing towards the outlet, the blade length on the inlet amounting to at least 10 per cent, preferably 15 per cent to 20 per cent of the average blade diameter. The turbine casing 25, which is stepped and undivided, is surrounded by an air-jacketed combustion chamber 8, and has arms 32 which are connected to the casing of the direct-driven air compressor A by bolts 54. The charge air on its way to the combustion chamber 8 passes around all sides of the chamber and cooling and preheating effects are thereby secured. Compressed air passes also to the main bearing 5 and prevents leakage of combustion products thereto. A modified arrangement of turbine is described. The shaft is hollow and may be heated by leakage gases passing through channels at the bases of the discs, or by introducing leakage gases into the centre by holes 98, Fig. 6. The blades are fixed by welding, as at 40<1>, 40<11>, and blade tip shrouding such as 105, 119, is provided. The blade-carrying discs 140, Fig. 9 may be welded together at 142 to form the rotor. The exhaust of the turbine may be used to exert a propulsive effect. An arrangement in which water is injected into the compressed air and into the combustion chamber is described.
Patent GB-253570-A (GB)
Title: An improved friction ignition device or petrol lighter
IPC: F23Q2/06
Filed: 1925-02-18
Abstract: 253,570. Beney, E. R. Feb. 18, 1925. Fuel reservoirs; wicks, trimming. -In a pocket igniter, the filling aperture of the fuel reservoir a is closed by a screwcap k provided with a pin l for trimming the wick.
Patent GB-1170192-A (GB)
Title: Plant for Burning or Sintering Pulverulent Material.
Inventor: JENSEN FLEMMING EDVIN
IPC: F27B7/20
Filed: 1968-01-29
Abstract: 1,170,192. Charging and preheating granular &c. materials. F. L. SMIDTH & CO. A.S. 29 Jan., 1968, No. 4560/68. Heading F4B. In the combination of an inclined rotary kiln 1 and a multistage suspension preheater 4 for pulverulent material being fed to the kiln, a helical fin 18 mounted in the inlet end of the kiln comprises at least one full turn of a pitch corresponding to the natural movement of the substantially deaerated material when the kiln is rotated. The height of said fin is such that the material is protected against being blown out by waste gases, being preferably at least 10% of the internal diameter of the inlet end of the kiln
Patent GB-1507012-A (GB)
Title: Travelling wave tubes
IPC: H01J23/30
Filed: 1976-11-24
Abstract: 1507012 Travelling-wave tubes ENGLISH ELECTRIC VALVE CO Ltd 24 Nov 1976 [5 Feb 1976] 4645/76 Heading H1D A nose 1 of the cloverleaf slow-wave structure of a travelling-wave tube includes a subsidiary cavity 2 at least partly within the nose, which subsidiary cavity contains a dielectric material 3 loaded with attenuating material, e.g. magnesium oxide, loaded with 2% silicon carbide. One or more, or all, of the noses associated with one or more, or all, of the main cavities may be provided with such a subsidiary cavity. The subsidiary cavity may be coupled to the main cavity 4 by a single slot 5 at one side, as shown, or by a slot each side (Fig. 3, not shown); the attenuating material 3 may protrude into the main cavity (Figs. 4 and 5, not shown); and the coupling slots 5 may, instead, extend axially into the main cavities.
Patent GB-592805-A (GB)
Title: Improvements in combination gauges
IPC: G01B3/00
Filed: 1945-02-24
Abstract: 592,805. Linear - dimension gauges. COYNE, E. Feb. 24, 1945, No. 4665. [Class 106 (ii)] A combination gauge which can be used for depths, heights, internal or external dimensions, or for gauging angles comprises a base 24 supporting two spaced rules 13, a micrometer screw B engaging recesses in the base and a spacer plate 26, a screw-threaded thimble H engaging detachably a collar slidable on the screw B but secured to a slider 1A whereby rotation of the thimble causes the slider to slide vertically on the rules, and a depth measuring leg 22 secured to the slider and extending through a hole 23 in the base. Attached to the slider 1A is a protractor plate 16 carrying an arm 20 having a pivoted finger 18 thereon ; a similar arm E is slidable on the right hand rule to co-operate with the arm 20 for gauging internal and external dimensions. The arm 20 has a pin and slot engagement with the slider so that it can be swung about the protractor, an indicator 41 showing the angular movement. An L-shaped member may be secured to the slide for gauging heights. One rule is graduated finely at 19 and the other coarsely at 17.
Patent GB-665862-A (GB)
Title: Improvements in or relating to masts
IPC: B63B15/00
Filed: 1949-02-21
Abstract: 665,862. Masts. POWELL, J. E., SCOVELL, T. C., and RAWLINGS, J. H. Feb. 16, 1950 [Feb. 21, 1949], No. 4667/49. Class 115, A mast or spar is built up from sections of extruded tubes of elliptical section joined end to end by shouldered internal sleeves. The tubes have a main luff track 10, and goose-neck tracks 12, 13. these being planed off when not required.
Patent GB-445387-A (GB)
Title: Improvements in or relating to elastic rubber holding bands
IPC: A41F9/02
Filed: 1935-02-14
Abstract: 445,387. Sewing. SCHEITLIN, A., 3, Sihlporteplatz. Zurich, Switzerland. Feb. 14, 1935, No. 4745. Convention date, Feb. 17, 1934. [Classes 112 and 141] [See also Group XXV] An elastic band, adapted to be pulled through the hem 7<1> of a garment, comprises a band 1 of raw rubber covered with a plural thread lap seam which is secured to the band 1 by one or more rows of stitching 6<1>, the covering seam comprising front and rear threads 2, 3 interlaced with side-threads 4, 5.
Patent GB-280079-A (GB)
Title: Improvements in window regulators
IPC: E05F11/38
Filed: 1927-02-21
Abstract: 280,079. Parsons, J. Feb. 21, 1927. No Patent granted (Sealing jee not paid). Vehicle-window opening and closing apparatus; rattling of windows, preventing. - A vehicle window regulator of the kind comprising a hand-operated spring-controlled drum and a cord 3 connected to a bracket 4 on the sash, is provided with a holder consisting of pawls 9, 10 acting on the drum and adapted to be released by a pivoted arm 15 which is raised during initial movement of the handle by levers 14 pivoted to the drum and rocked by pins 12 on the handle boss. The required lost motion is allowed by slots 13a in the drum with which the pins 12 are in driving engagement. Movable bars 18 act on the side of the sash to prevent rattling and are released when moving the sash by levers 22 projecting through inclined slots 20 in the guides and into the bars. The levers are actuated by a pin on a pivoted spring-controlled lever 26, which is raised by the pivoted lever 15.
Patent GB-1416267-A (GB)
Title: Bone implants
IPC: A61F2/36
Filed: 1973-01-31
Abstract: 1416267 Bone implants SULZER BROS LTD 31 Jan 1973 [2 Feb 1972] 4835/73 Heading A5R The shank of a bone implant has a narrowing cross-sectional area towards one end thereof and an external non-porous surface having discrete unconnected depressions therein between raised portions of said shank, said depressions being between 10 Ám and 100 Ám in depth. The shank may have a plurality of side walls and a distal end portion of generally trapezoidal cross-section, at least two of the side walls having depressions therein. The external surface of the shank including the depressions may be roughened e.g. by sand blasting.
Patent GB-736242-A (GB)
Title: Steroids
IPC: C07J75/00
Filed: 1953-02-23
Abstract: The invention comprises 17-carboxylic acid esters of 14(a )-hydroxytestosterone or 14(a )-hydroxy - 10 - normethyltestosterone and the preparation thereof by treating 14(a )-hydroxytesterone or 14(a ) - hydroxy - 10 - normethyl testosterone with an acylating agent, e.g. an acid, acid anhydride or acid halide.  The reaction may be effected in a solvent such as pyridine, benzene, toluene or ether from 0 DEG  C. to the b.p. of the reaction mixture.  Examples disclose the use of acetic anhydride, formic acid, propionic anhydride and b -cyclopentylpropionyl chloride and benzoyl chloride as acylating agents.  Other esters of aliphatic and carbocyclic acids containing up to eight carbon atoms may be produced. Specification 734,797 is referred to.ALSO:An absorption base useful in pharmacy and cosmetology comprises petrolatum stearyl alcohol, and a 17-carboxylic ester of 14(a )-hydroxy-testosterone or 14(a )-hydroxy-10-normethyl-testosterone, e.g. 14(a )-hydroxytesterone-17-acetate.  Specification 734,797, [Group IV (b)], is referred to.
Patent GB-782132-A (GB)
Title: Window panel for vehicles
IPC: B60J1/20
Filed: 1955-02-21
Abstract: 782,132. Vehicle windows. FRICKER, J. T. Feb. 21, 1956 [Feb. 11, 1955], No. 5116/55. Class 20(3) A panel 1, preferably made of a transparent synthetic resin material arranged as a detachable side screen to fit into a vehicle side door window frame in addition to the normally vertically sliding window; or in a window opening when the normal sliding window is opened, or alternatively in the form of a permanent part of a vehicle window, has a signalling aperture 4 which is easily accessible to a driver, a transparent, elongated, and collapsible bag 5 being sewn around the outside edge of the opening. The bag 5 has pleats 6 sewn along opposite sides of its longitudinal axis by means of elastic threads which maintain the bag contracted against the side of the panel, when not in use, but allow the bag to be extended when a driver pushes an arm into it, e.g. to give a signal. 'The peripheral edge of the panel may be secured under a window frame beading, its lower edge, stiffened by a strip 3, e.g. of aluminium, extending into the well at the bottom of the frame in which the normal window moves. When the bag 5 is fully contracted, and if necessary pulled through the aperture 4, the normal vertically sliding window can be closed to provide more secure protection from theft 'when the vehicle doors are locked. The bag 5 may be made of a transparent, or translucent, material, e.g. polyvinyl chloride, and may be associated with an extensible support such as a light spring helix, normally contracted against the panel surrounding the aperture 4. The bag 5 may be open, or closed, at its outer end.